Sign language is a language you express by using your hands and face instead of spoken words. It’s most commonly used by people in the Deaf community. How many types of sign language are there? There ...

NPR's Ailsa Chang speaks with Amanda Morris about how sign language evolves over time, the subject of her recent piece in The New York Times. In 2014, the Oxford English Dictionary, perhaps the most ...

ASL is a complete and complex language that employs signs made by moving the hands combined with facial expressions and postures of the body. ASL is the language of the Deaf community in the United ...